AZ DISPLAYS, INC.
Complete LCD Solutions
AZ DISPLAYS, INC. 1 6/6/97
ACM2002C SERIES LCD MODULE
1.0 PHYSICAL DATA
Item
Nominal Dimensions / Available Options
Unit
Number of Characters
20 characters x 2 lines
-
Character Format
5 x 7 dots with cursor
-
Overall Module Size (W x H x D)
116.0 x 37.0 x max 15.0 for LED backlight version
116.0 x 37.0 x max 9.5 for reflective or EL backlight version
mm
Dot Size (W x H)
0.60 x 0.65
mm
Dot Pitch (W x H)
0.65 x 0.70
mm
Duty
1/16
-
Controller IC
KS0066
-
LC Fluid Options
STN
-
Polarizer Options
Reflective, Transflective, Transmissive
-
Backlight Options
EL, LED
-
Temperature Range Options
Standard, Wide temp
-
2.0 ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min
Typ
Max
Unit
Operating temperature (Standard)
Top
0
-
50
C
Storage temperature (Standard)
Tst
-20
-
70
C
Operating temperature (Wide temp)
Top
-20
-
+70
C
Storage temperature (Wide temp)
Tst
-30
-
+80
C
Input voltage
V
I
V
SS
-
V
DD
V
Supply voltage for logic
V
DD
-V
SS
0
5.0
6.5
V
Supply voltage for LCD drive (Standard)
V
DD
-V
O
0
-
6.5
V
Supply voltage for LCD drive (Wide temp)
V
DD
-V
O
0
-
13.5
V
3.0 OPTICAL CHARACTERISTICS (Ta = 25
C, V
DD
= 5.0V
0.25V, STN LC Fluid)
Item
Symbol
Condition
Min
Typ
Max
Unit
Viewing angle (horizontal)
Cr
2.0
30
-
45
deg
Viewing angle (vertical)
Cr
2.0
60
-
80
deg
Contrast Ratio
Cr
=0
,
=0
4.5
-
10
Response time (rise)
Tr
=0
,
=0
-
120
240
ms
Response time (fall)
Tf
=0
,
=0
-
155
310
ms
AZ DISPLAYS, INC. 2 6/6/97
ACM2002C SERIES LCD MODULE
4.0 ELECTRICAL CHARACTERISTICS (Ta = 25
C, V
DD
= 5.0V
0.25V)
Item
Symbol
Condition
Min
Typ
Max
Unit
Supply voltage for LCD drive (Std temp)
V
DD
-V
O
Ta = 25
C
4.8
V
Supply voltage for LCD drive (Wide temp)
V
DD
-V
O
Ta = 25
C
6.1
V
Input voltage
V
I
-
4.75
5.0
5.25
V
Input high voltage
V
IH
-
2.2
-
V
DD
V
Input low voltage
V
IL
-
0
-
0.6
V
Output high voltage
V
OH
I
OH
=0.2mA
2.4
-
-
V
Output low voltage
V
OL
I
OL
=1.2mA
-
-
0.4
V
Supply current
I
DD
V
DD
=5.0V
-
3.0
mA
Input leakage current
I
LKG
-
-
-
1.0
uA
LED power supply current
I
LED
V
LED
=5V, R=5.6
-
140
-
mA
EL power supply current
I
EL
V
EL
=110V
AC
, 400H
Z
-
5.0
-
mA
5.0 INTERFACE PIN CONNECTIONS
Pin No.
Symbol
Level
Pin Description
Function
1
V
SS
-
Ground
0V
2
V
DD
-
Supply voltage for logic
+5V
3
V
O
-
LCD contrast adjust
By user
4
RS
H/L
Register select
H: Data; L: Instruction code
5
R/W
H/L
Read / write
H: Data read, L: Data write
6
E
H, H
L
Enable
Start signal for data read/write
7
DB0
H/L
Data bit 0
8-bit interface
8
DB1
H/L
Data bit 1
8-bit interface
9
DB2
H/L
Data bit 2
8-bit interface
10
DB3
H/L
Data bit 3
8-bit interface
11
DB4
H/L
Data bit 4
4-bit or 8-bit interface
12
DB5
H/L
Data bit 5
4-bit or 8-bit interface
13
DB6
H/L
Data bit 6
4-bit or 8-bit interface
14
DB7
H/L
Data bit 7
4-bit or 8-bit interface
15
A
-
Anode for LED backlight
Power supply for LED/EL backlights
16
K
-
Cathode for LED backlight
Power supply for LED/EL backlights
AZ DISPLAYS, INC. 3 6/6/97
ACM2002C SERIES LCD MODULE
6.0 POWER SUPPLY
7.0 BLOCK DIAGRAM
SEG1----------------------SEG100
3 VO
1 VSS
6 E
4 RS
5 R/W
2 VDD
U3
U2
8
LED/EL
(16) K
(15) A
14 DB7
14 DB7
7 DB0
20
40
LCD 20 X 2
COM1
40
COM16
16
COM
U1
V
SS
V
O
V
DD
V
R
+5V
Standard temp range
V
R
= 10K
~ 20K
V
SS
V
O
V
DD
V
R
+5V
Wide temp range
-5V
V
R
= 10K
~ 20K
AZ DISPLAYS, INC. 4 6/6/97
ACM2002C SERIES LCD MODULE
8.0 TIMING CHARACTERISTICS (KS0066 Controller)
Item
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Enable cycle time
t
CYC
Fig. a, Fig. b
500
-
-
ns
Enable pulse width
PW
EH
Fig. a, Fig. b
220
-
-
ns
Enable rise/fall time
t
Er
, t
Ef
Fig. a, Fig. b
-
-
25
ns
RS, R/W set up time
t
AS
Fig. a, Fig. b
40
-
-
ns
RS, R/W hold time
t
H1
Fig. a, Fig. b
10
-
-
ns
Data set up time
t
DSW
Fig. a
60
-
-
ns
Data hold time
t
H2
Fig. a
10
-
-
ns
Data delay time
t
DDR
Fig. b
-
-
120
ns
Data hold time
t
H2
Fig. b
20
-
-
ns
0.6V -
0.6V -
2.2V -
DDR
- 0.6V
- 2.2V
Fig. b Interface timing (data read)
t
RS
R/W
E
DB0-DB7
RS
R/W
E
DB0-DB7
- 2.2V
- 0.6V
- 2.2V
- 0.6V
- 0.6V
- 2.2V
Ef
t
2.2V -
- 0.6V
2.2V -
EH
PW
AS
Er
t
0.6V -
- 2.2V
t
Fig. a Interface timing (data write)
Valid Data
Valid Data
CYC
t
- 0.6V
t
AS
EH
PW
0.6V -
Er
t
- 2.2V
- 0.6V
- 2.2V
CYC
t
2.2V -
0.6V -
H1
t
H1
t
H2
t
0.6V -
H1
2.2V -
t
0.6V -
H1
t
t
H2
Ef
t
2.2V -
DSW
t
0.6V -
2.2V -
- 0.6V
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